The ornamental design for a lightfixture, as shown and described.
FIG. 1 is a top perspective view showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The break lines in FIGS. 1-6 are to indicate that the appearance of any portion of the light fixture between the break lines forms no part of the claimed design.
The broken lines in FIGS. 1-7 illustrate portions of the light fixture that form no part of the claimed design.